Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Karen Mason
Specialist in Longview, TX · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1750716999
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Karen Mason
Sex Female
Practice address 2715 Patio St, Longview, TX, 75605
Phone (903) 295-0099
Enumeration date Sep 6, 2013
Last updated in NPPES Sep 6, 2013
Taxonomy & licenses
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Karen Mason practice?
The practice location on file with NPPES is in Longview, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Karen Mason?
The National Provider Identifier (NPI) for Karen Mason is 1750716999, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-09-06.